"Originally published in hardcover in the United States by Random House Children's Books, New York, in 2014" -- verso t.p.
Summary
"After exposing the sinister underground society of students known as the Knights of Charlemagne, Will West stays at the Center over the summer to explore his newly developing physical and mental abilities. Meanwhile, his roommates investigate the Knights' shadowy purpose and discover unsettling information about their own backgrounds"-- Provided by publisher.